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First detection of Borrelia and Rickettsia species from Ornithodoros ticks in the Republic of Korea
Cited 4 time in
Web of Science
Cited 4 time in Scopus
- Authors
- Issue Date
- 2021-07
- Publisher
- Elsevier BV
- Citation
- Ticks and Tick-borne Diseases, Vol.12 No.4, p. 101689
- Abstract
- Ticks are considered important vectors among arthropods and are linked to serious medical and veterinary health problems. In this study, we investigated tick-borne pathogens (TBPs) of Ornithodoros (Carios) sawaii and a newly identified Ornithodoros species from migratory bird nests in the uninhabited islands of the Republic of Korea (ROK). Ticks were collected from seabird nests with soil using a Tullgren funnel. Polymerase chain reaction (PCR) was performed using specific primer sets targeting genes of Borrelia spp., Rickettsia sp., Anaplasma phagocytophilum, Anaplasma bovis, and Bartonella spp. for molecular identification of TBPs, and two pathogens, Borrelia sp. and Rickettsia sp. were detected via PCR. Sequence data were analyzed and a phylogenetic analysis was conducted using the maximum-likelihood method in MEGA v.7. The detection rate of Borrelia sp. in O.(C.) sawaii was 6.8 % (5/74), and that of Rickettsia sp. in O. sawaii and the newly identified Ornithodoros species. was 36.5 % (27/74). Sequencing analysis revealed that the 16S ribosomal (r) RNA and flagellin genes of Borrelia sp., and the citrate synthase (gltA) and 17-kDa antigen gene of Rickettsia sp. were closely phylogenetically related to those of Borrelia turicatae and Rickettsia asembonensis. This is the first report identifying Borrelia sp. and Rickettsia sp. from O. sawaii, and Rickettsia sp. from the newly identified Ornithodoros species in the ROK, and these results imply that soft ticks (O. sawaii, and the newly identified Ornithodoros species) may function as pathogen carriers with important implications for public health throughout their distribution areas in Asia.
- ISSN
- 1877-959X
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